Home / 9,883.32-13,639.02-6,346.56

Finding the Fourth Proportional to 9,883.32, 13,639.02 and 6,346.56

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Solution

The fourth proportional to 9,883.32, 13,639.02 and 6,346.56 is: 8,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.32 : 13,639.02 = 6,346.56 : x
  2. Step 2: Convert to fraction form
    9,883.32/13,639.02 = 6,346.56/x
  3. Step 3: Cross multiply
    9,883.32x = 13,639.02 × 6,346.56
  4. Step 4: Simplify right side
    9,883.32x = 86,560,858.77
  5. Step 5: Solve for x
    x = 86,560,858.77/9,883.32
  6. Step 6: Final answer
    x = 8,758.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.